21831018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^2$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 49152096

約数和(自身を除く): 27321078

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 79, 106, 158, 159, 237, 318, 474, 583, 869, 1166, 1738, 1749, 2607, 3498, 4187, 5214, 6241, 8374, 12482, 12561, 18723, 25122, 37446, 46057, 68651, 92114, 137302, 138171, 205953, 276342, 330773, 411906, 661546, 992319, 1984638, 3638503, 7277006, 10915509, 21831018]

約数ペア:

[(1, 21831018), (2, 10915509), (3, 7277006), (6, 3638503), (11, 1984638), (22, 992319), (33, 661546), (53, 411906), (66, 330773), (79, 276342), (106, 205953), (158, 138171), (159, 137302), (237, 92114), (318, 68651), (474, 46057), (583, 37446), (869, 25122), (1166, 18723), (1738, 12561), (1749, 12482), (2607, 8374), (3498, 6241), (4187, 5214)]